Download IBM : A2090-421 Questions & Answers as PDF & Test Software
Updated: Jun 02, 2026
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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
1. Which requirement must be met to read from a database in parallel using the ODBC connector?
A) ODBC connector always reads in parallel.
B) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
C) Configure environment variable $APT_PARTITION_COUNT.
D) Set the Enable partitioning property to Yes.
2. Which two statements are correct when using the Oracle Enterprise stage? (Choose two.)
A) DataStage Designer requires connectivity to the Oracle database during job development.
B) Define variable $TNS_ADMIN to point to the tnsnames.ora file location.
C) $APT_ORCHHOME/bin must appear before $ORACLE_HOME/bin in the $PATH.
D) Add $ORACLE_HOME/bin to the $PATH and $ORACLE_HOME/lib to the $LIBPATH, $LD_LIBRARY_PATH, or $SHLIB_PATH.
3. You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.)
A) Output the sum that you generated each time you process a row for which the LastRow() function returns True.
B) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
C) Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column.
D) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done.
E) Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
4. You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)
A) Suite User role
B) DataStage super operator
C) Information Analyzer Data Administrator
D) DataStage Developer
5. How must the input data set be organized for input into the join stage? (Choose two.)
A) Entire partitioned
B) Sorted in ascending order
C) Key partitioned
D) Hash partitioned
E) Unsorted
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C,D | Question # 3 Answer: C,D,E | Question # 4 Answer: B,D | Question # 5 Answer: B,C |
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